Müller, M., Blankenship, G., & Tinkler, W. (1997). The geography of Germany: Lessons for teaching the five themes of geography ; social studies grades 9 - 12 (Update 1997/1998.). Inter Nationes.
Chicago-Zitierstil (17. Ausg.)Müller, Martina, Glen Blankenship, und William Tinkler. The Geography of Germany: Lessons for Teaching the Five Themes of Geography ; Social Studies Grades 9 - 12. Update 1997/1998. Bonn: Inter Nationes, 1997.
MLA-Zitierstil (9. Ausg.)Müller, Martina, et al. The Geography of Germany: Lessons for Teaching the Five Themes of Geography ; Social Studies Grades 9 - 12. Update 1997/1998. Inter Nationes, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.